Right Rotation - Mitsubishi Electric MELSEC Q Series Programming Manual

6 IEC FUNCTIONS

6.6.3 Right rotation

Data is rotated n bits to the right in a circle.
Function definition
Function definition
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ROR
ROR_E
ANY_BIT ROR ( ANY_BIT S1, ANY_BIT n );
Argument
Argument Name IN/OUT
S1 IN
n IN
Return value
Return Value
ANY_BIT Rotation result data
Remarks:
Example of use
Argument Type
INT D0 := ROR( D1,1 );
BOOL ROR_E( BOOL EN, ANY_BIT S1, ANY_BIT n, ANY_BIT D1 );
Argument
Argument Name IN/OUT
EN IN
S1 IN
n IN
D1 OUT
Return value
Return Value
BOOL Execution condition
Example of use
(* When execution condition X0 turns ON, the data stored in D0 is rotated 1 bit
(* to the right, and the result is stored into D100.
M0:=ROR_E( X0, D0, 1, D100 );
Data to be rotated
Number of bits to be rotated
Remarks: Only a constant can be specified as the number of bits to be
rotated.
ST Program Conversion Result
LD
MOV
ROR
Execution condition (Function is executed only when the result is TRUE)
Data to be rotated
Number of bits to be rotated
Remarks: Only a constant can be specified as the number of bits to be
rotated.
Rotation result data
For the usable data type, refer to "3.2.2 About ANY type".
Description
Description
Used Instruction
SM400 LD,MOV,ROR
D1 D0
D0 K1
Description
Description
*)
*)
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